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掺铕硼酸盐玻璃的制造、光学性质及机械性能

The manufacture, optical properties, and mechanical aspects of europium-doped borate glasses.

作者信息

Alharshan Gharam A, Mahmoud A M A, Ebrahem Nasra M, Elsad Ragab A, Shaaban Shaaban M, Elsafi Mohamed, Said Shimaa Ali

机构信息

Physics Department, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, 11671, Riyadh, Saudi Arabia.

Physics Department, Faculty of Science, AL Azhar University (Girls Branch), Cairo, Egypt.

出版信息

Sci Rep. 2024 Oct 2;14(1):22920. doi: 10.1038/s41598-024-66939-5.

DOI:10.1038/s41598-024-66939-5
PMID:39358414
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11447048/
Abstract

An investigation into the optical and mechanical properties of a novel borate glasses with the chemical composition of 70 BO-10 LiO-10ZnO-5BiO-5CaO-xEuO was conducted. The glassy specimens of Eu-doped borate were prepared by the melting-quenching technique. An enhanced density from 3.0860 to 3.2176 g cm and reduced molar volume from 29.27819 to 29.17447 (cm mol) are the outcome of increasing the concentration of Eu in glasses. Plotting the extinction coefficient, dielectric constant (ε, ε), and refractive index (n) against wavelength reveals that they all rise as level of Eu elements in the glass lattice increases. An increase in Eu concentration results in a decrease in both the volume (VELF) and surface (SELF) energy loss functions. Also, all elastic-mechanical moduli (such as Young's, Bulk, Shear, and Elongation) increase with increasing the quantity of Eu ions in the glass lattice. The Young's modulus (Y, GPa) of the glassy specimens was 34.512, 36.089, 36.504, 36.730 and 37.114 GPa for x equal 0, 0.25, 0.5, 0.75 and 1 mol ratio in the glass system, and coded by Eu-0.0, Eu-0.25, Eu-0.5, Eu-0.75 and Eu-1.0, respectively. Growing EuO levels resulted in an increase in Micro-Hardness from 2.050 to 2.146 GPa. Poisson's ratio values for Eu-0.0, Eu-0.250, Eu-0.5, Eu-0.75 and Eu-1.0 were 0.273, 0.275, 0.277, 0.277 and 0.278, respectively.

摘要

对化学成分为70BO-10LiO-10ZnO-5BiO-5CaO-xEuO的新型硼酸盐玻璃的光学和机械性能进行了研究。采用熔融淬火技术制备了掺铕硼酸盐玻璃试样。玻璃中铕浓度的增加导致密度从3.0860增加到3.2176 g/cm，摩尔体积从29.27819减小到29.17447(cm³/mol)。绘制消光系数、介电常数(ε'、ε'')和折射率(n)与波长的关系图表明，随着玻璃晶格中铕元素含量的增加，它们均升高。铕浓度的增加导致体积(VELF)和表面(SELF)能量损失函数均降低。此外，所有弹性力学模量(如杨氏模量、体模量、剪切模量和伸长率)均随着玻璃晶格中铕离子数量的增加而增加。对于玻璃体系中x等于0、0.25、0.5、0.75和1mol比的情况，玻璃试样的杨氏模量(Y，GPa)分别为34.512、36.089、36.504、36.730和37.114 GPa，分别编码为Eu-0.0、Eu-0.25、Eu-0.5、Eu-0.75和Eu-1.0。氧化铕含量的增加导致显微硬度从2.050增加到2.146 GPa。Eu-0.0、Eu-0.250、Eu-0.5、Eu-0.75和Eu-1.0的泊松比分别为0.273、0.275、0.277、0.277和0.278。

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